AirPort Express is a palm-sized wireless base station with AirTunes, providing a wireless connection to the Internet, a printer and the ability to stream iTunes music to any room in the house. It works with Macs and PCs to deliver wireless data rates up to 54 megabits per second. The multi-function device lets users share a single broadband Internet connection and USB printer without cables. The small, lightweight and compact device enables customers to extend the range of their current wireless network or create an instant wireless network on the go. Featuring AirTunes for playing your iTunes music wireless on your home stereo or powered speakers, AirPort Express brings your music to wherever in your home you like enjoy it the most. An internal universal AC adapter allows you to plug the AirPort Express directly into a wall socket without extra cables or a power supply. You can also quickly add a power cord or change the plug for worldwide compatibility due to its modular design.